A soldier receives a message from outpost observers at Hunter Liggett Military Reservation on 23 March 1944
1849. '3-23-44. J. P. Johnson. Radio Cpl. J. T. Sheridan and operator Pvt B. M. Dennard, H. Q. and Service Battery 609th F A, 71st Div, receive a message from outpost observers giving range data and fire control information. Messages usually come over in prearranged code verbally, deciphered, then sent thru field phone to battery positions. This type communication is only used before field phones are set up due to enemy interception. HLMR Mtn. Man. 168-9-44-598.' Army Signal Corps photograph Photographer: J. P. Johnson. 23 March 1944